[go: up one dir, main page]

Search a number
-
+
2221088 = 25312239
BaseRepresentation
bin1000011110010000100000
311011211202112
420132100200
51032033323
6115334452
724610322
oct10362040
94154675
102221088
111287811
128b1428
135c9c6c
1441b612
152dd178
hex21e420

2221088 has 24 divisors (see below), whose sum is σ = 4515840. Its totient is φ = 1074240.

The previous prime is 2221069. The next prime is 2221097. The reversal of 2221088 is 8801222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128 + ... + 2111.

It is an arithmetic number, because the mean of its divisors is an integer number (188160).

22221088 is an apocalyptic number.

It is an amenable number.

2221088 is an abundant number, since it is smaller than the sum of its proper divisors (2294752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221088 is a wasteful number, since it uses less digits than its factorization.

2221088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280 (or 2272 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 2221088 is about 1490.3315067461. The cubic root of 2221088 is about 130.4733826113.

The spelling of 2221088 in words is "two million, two hundred twenty-one thousand, eighty-eight".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 992 2239 4478 8956 17912 35824 69409 71648 138818 277636 555272 1110544 2221088